simple; plain; uncomplicated; straightforward; simple-minded; naive
clear; clear-cut; lucid; unequivocal; explicit
to wonder; to puzzle oneself about; to feel anxious about; to suspect; to doubt
journey; trip; travels; during the journey; on the way; while travelling
number of persons; personnel
arrangement (of resources); deployment; stationing; posting; disposition; configuration
security department (of a police force); security bureau; security division
origin; genesis; opening; start; beginning
security firm; security company
soft; weak; fragile; poorly built; insubstantial
kendo; Japanese martial art using bamboo swords
knowledge (of a skill, art, etc.); proficiency; essentials; know-how; preparedness; readiness
when it comes to ...; where ... is concerned; if it's the case that ...; if it turns out that ...; if it's true that ...
military affairs; military service
field of vision; visibility; view; visual field; (one's) ken
consideration; taking into account
two classes; double; two sets
regarding highly; attaching importance to
absurd; unreasonable; rash; reckless; excessive; immoderate
delay; lag; falling behind; falling behind in; lagging behind in
like cats and dogs; (on) very bad terms; (lit.) relationship of dogs and monkeys
even though it is not; despite not
to do together; to put together; to lump together; to regard in the same light; to put in the same category; to arrange for (two people) to marry
first-aid; emergency (aid)
set (of things); combo; setting up; preparing; setting (hair); set (in tennis, volleyball, etc.); set (in a play, film, etc.)
one by one; one each; one at a time
in the same way; like; likewise; similarly
two at a time; two by two; in twos
to lose one's way; to get lost
pyrotechnic signal; signal flare
frank; candid; straightforward; openhearted; direct; outspoken
query; interrogation; enquiry; question; inquiry
example; simile; metaphor; allegory
euro (currency); Euro-; European
to just appear; to be half out; to be on the tip of one's tongue
to be careful; to pay attention; to take care
softly; gently; stealthily; secretly; to leave alone; to leave as it is
1,000,000; one million; million; many